Unit 4.10 - Touch

Question 1

What are the systems of touch?

Answer 1

Somatosensation, which is the feeling of touch.
Nociception, which is the sensation of pain.
Thermoception, which is the sensation of temp.

Question 2

What are the four types of somatiosensation neurons?

Answer 2

There is Merkell’s Disc, Meissner’s Corpuscle, Ruffini End Organ, and Pacinian Corpuscle.

Question 3

What does Merkell’s disc do?

Answer 3

It is sense the lightest touch, light to moderate touch.

Question 4

What does Meissner’s corpuscle neurons sense?

Answer 4

Pressure, low-frequency vibrations. Indentations.

Question 5

What does Ruffini End Organ do?

Answer 5

Stretching, heaving pressure.

Question 6

What does pacinian Copuscle?

Answer 6

It feels heavy pressure, deep vibrations, high frequency.

Question 7

What does nociception include?

Answer 7

Includes mechanical, chemical, and thermal receptors. In other words, cuts/bruises, spice, and temperature.

Question 8

What is phantom limb?

Answer 8

Amputee arm feeling pain.

Question 9

What is thermoception?

Answer 9

Detection of temp. Can cause you to unconsciously change your behaviour to adjust to temps (mittens, hats).